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Finding the Fourth Proportional to 133,799.96, 200,699.94 and 40,305.72

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Solution

The fourth proportional to 133,799.96, 200,699.94 and 40,305.72 is: 60,458.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,799.96 : 200,699.94 = 40,305.72 : x
  2. Step 2: Convert to fraction form
    133,799.96/200,699.94 = 40,305.72/x
  3. Step 3: Cross multiply
    133,799.96x = 200,699.94 × 40,305.72
  4. Step 4: Simplify right side
    133,799.96x = 8,089,355,585.66
  5. Step 5: Solve for x
    x = 8,089,355,585.66/133,799.96
  6. Step 6: Final answer
    x = 60,458.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.